A textile process of refraction and reflection
By plating an aluminum layer on the glass bead surface and adding a flame retardant layer on the base cloth layer, the problem of unevenness of the base cloth layer affecting refractive light reflection is solved, and better refractive light reflection effect and production efficiency are achieved.
Patent Information
- Application Number
- CN202310237964.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-03
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2043-03-03
AI Technical Summary
In the prior art, the base cloth layer has rough textile or uneven surface, resulting in uneven reflection surfaces after the glass beads are applied and the refractive reflection effect is affected.
A vacuum aluminum plating machine is used to plate the aluminum layer on the glass microbead surface, and the glass microbeads are transferred to the base cloth layer by a hot pressing device. At the same time, a flame retardant layer is added to the base cloth layer to improve the refractive reflection effect.
The flatness of the aluminum-plated layer improves the refractive reflection effect, the flame retardant layer enhances safety and production efficiency, and the automatic peeling of PET film is simplified, saving production processes.
Smart Images

Figure CN116160750B_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of textiles, and particularly relates to a textile process for refraction and reflection. Background Art
[0002] Retroreflective fabric, commonly known as reflective fabric, is a fabric to which glass microspheres are applied, utilizing the optical principle that light is refracted and reflected inside the glass microspheres and then returns. Even the reflected light mostly returns to the light source direction in the direction of the incident light. This kind of fabric is a fabric with a safety function. When a person moving at night or in a dark place wears or carries such retroreflective safety material, when exposed to light, due to its retroreflective function, it will produce a striking effect, improving its own visibility, so that people at the light source can quickly discover the target, effectively avoiding accidents and ensuring personal safety.
[0003] In the prior art, in the process of textile manufacturing of refraction and reflection reflective fabric, it is often encountered that due to the relatively rough or uneven surface of the base fabric layer, after the glass microspheres are applied to the base fabric layer, the uneven reflective surface will affect the refraction and reflection effect of the upper glass microspheres.
[0004] Therefore, it is very necessary to invent a textile process for refraction and reflection to solve the above problems. Summary of the Invention
[0005] In view of the above problems, the present invention provides a textile process for refraction and reflection to solve the problems raised in the above background art.
[0006] To achieve the above object, the present invention provides the following technical solution: A textile process for refraction and reflection, the process steps are as follows:
[0007] Step 1: Weave a fabric by a loom in the way of warp and weft as the base fabric layer;
[0008] Step 2: Coat a layer of acrylic pressure-sensitive adhesive on the prepared PET film, enter a drying channel for drying, arrange the prepared glass microspheres in a single layer on the coated surface of the PET film, enter a vacuum aluminizing machine to coat an aluminum layer on the glass microsphere surface of the PET film as the refraction and reflection layer;
[0009] Step 3: Coat a layer of composite adhesive layer on the base fabric layer in Step 1, enter a drying channel to dry the composite adhesive layer, bond the adhesive surface with the aluminized surface of the high-brightness plant film through a hot pressing device for hot pressing, and peel off the PET film, so that the glass microspheres are transferred to the base fabric layer, thus obtaining the refraction and reflection fabric.
[0010] Preferably, the base fabric layer further includes a flame retardant layer bonded on both sides by an adhesive.
[0011] Preferably, the preparation process of the flame retardant layer is as follows:
[0012] Take 60 - 70% viscose fiber by mass percentage of each component as the warp, 30 - 40% carbon fiber and 2 - 6% glass fiber as the weft, and then interlace and weave to form a flame - retardant base layer. Then, apply a water - borne intumescent flame - retardant resin coating to both sides of the flame - retardant base layer and enter the drying channel for drying to obtain the flame - retardant layer.
[0013] Preferably, the hot - pressing device includes a bench, a hot - pressing mechanism, a limiting mechanism, and a film - tearing mechanism. The specific method using the above - mentioned hot - pressing device is as follows:
[0014] Step 1: Device operation inspection. Conduct an operation inspection on the hot - pressing device before enabling it.
[0015] Step 2: Bond the base fabric layer and the aluminized surface of the high - light plant film as a combined fabric. After positioning the edge of the combined fabric through the limiting mechanism, start the hot - pressing mechanism to hot - press the combined fabric from one side.
[0016] Step 3: The end of the PET film on the upper layer of the hot - pressed combined fabric is picked up by the subsequent film - tearing mechanism encountered, and gradually pulled up as the hot - pressing mechanism continues to move until the PET film is completely peeled off, thus obtaining the refractive reflective fabric.
[0017] Step 4: After removing the hot - pressed refractive reflective fabric, operate the combined fabric in a cycle.
[0018] A linear module is installed on the bench. A connecting frame is installed on the linear module through a lifting column, and the connecting frame is used to install the hot - pressing structure; the lifting column is one of electric, hydraulic, or pneumatic.
[0019] The hot - pressing mechanism includes a hot - pressing plate. The hot - pressing plate is detachably installed on the connecting frame. A flattening roller is installed on the connecting frame. The flattening roller is rotatably installed on the installation parts on both sides, and the installation parts are symmetrically installed in the adjustment slots opened on the connecting frame. The adjustment slots are elastically connected to the installation parts through springs.
[0020] The limiting mechanism includes a bearing plate. The bearing plate is installed on the bench through an electric slide rail and can move along the upper surface of the bench under the control of the electric slide rail. A plurality of limiting holes are equidistantly opened at the four - edge of the bearing plate. A limiting spring is connected in the limiting hole, and the top of the limiting spring is connected to a limiting part. Using the elastic force of the limiting spring, the edge of the combined fabric to be processed is clamped between the limiting part and the bearing plate.
[0021] The film - tearing mechanism is installed on the hot - pressing plate.
[0022] Preferably, the film tearing mechanism includes a plurality of film tearing members, the film tearing members are arranged in an arc structure, one end of the film tearing member is provided with a shaft hole, the other end extends out of the edge of the hot pressing plate and bends towards the side of the hot pressing plate, the end of the bending edge is sharp, the shaft hole is sleeved on the connecting shaft member, and both ends of the connecting shaft member are rotatably installed on the hot pressing plate through torsion springs.
[0023] Preferably, a rotating sleeve is fixed on the side of the film tearing member away from the hot pressing plate at the bending part, a rotating shaft is rotatably connected in the rotating sleeve, and an adhesive layer is arranged on the outer side surface of the rotating shaft of the rotating sleeve.
[0024] Preferably, adjacent rotating shafts are connected by a connecting part and form an integral structure.
[0025] Preferably, an arc-shaped piece is further arranged on the outer side of the film tearing member, one end of the arc-shaped piece is fixedly connected to the top of the film tearing member, and the other end is a free end and half covers the rotating shaft.
[0026] The technical effects and advantages of the present invention:
[0027] 1. In the present invention, an aluminum layer is plated on the surface of the glass microspheres by a vacuum aluminizing machine, and the plated aluminum layer is smoother and flatter, effectively replacing the base cloth layer in the prior art as the refraction and reflection layer of the glass microspheres, enhancing the refraction and reflection effect of the finished product; cooperating with the expanded flame retardant resin in the added flame retardant layer, under fire or high temperature, the flame retardant catalyzes the combustible to expand, carbonize and dehydrate, forming a uniform and dense sponge-like or foam-like carbonaceous layer. Due to the good heat insulation performance of the carbonaceous layer, it can hinder the conduction of heat and isolate air, blocking the direct heating effect of the external fire source on the substrate.
[0028] 2. In the present invention, the hot pressing plate is pressed against the surface of the composite fabric below, and then the linear module drives the hot pressing plate to slowly move from one side of the composite fabric to the other side to achieve hot pressing. During the operation of the hot pressing plate, the film tearing mechanism will slowly tear off the PET film on the surface of the hot-pressed composite fabric. On the one hand, a complete refraction and reflection fabric can be obtained after hot pressing; on the other hand, the process of manually peeling the PET film in the subsequent process is omitted, saving the production process and improving the production efficiency.
[0029] 3. In the present invention, by installing a rotating shaft and an adhesive layer at the outer bending part of the film tearing member, the adhesive layer will contact the PET film, and the rotatably installed rotating shaft will form a rolling effect on the surface of the composite fabric, thereby increasing the contact area between the adhesive layer and the surface of the PET film, making it easier to adhere and pull up the PET film, achieving the effect of supplementary peeling and tearing. The insertion action of the tip of the previous film tearing member can promote the separation between the end of the PET film and the glass microsphere layer. Even if it is not successful, it can also play a pre-peeling effect. The dual cooperation between the two can effectively improve the success rate of automatic peeling of the PET film.
[0030] Other features and advantages of the present invention will be set forth in the following description, and in part will be obvious from the description, or may be learned by practice of the present invention. The objectives and other advantages of the present invention may be realized and attained by the structure particularly pointed out in the specification, claims as well as the drawings. Brief Description of the Drawings
[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or in the prior art, the following briefly introduces the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0032] Figure 1 is the process flow chart of the textile technology of the present invention;
[0033] Figure 2 is the three-dimensional view of the hot pressing device in the present invention;
[0034] Figure 3 is in the present invention Figure 2 is the partial enlarged view at A in;
[0035] Figure 4 is the three-dimensional view of another angle of the hot pressing device in the present invention;
[0036] Figure 5 is in the present invention Figure 4 is the partial enlarged view at B in;
[0037] Figure 6 is the position schematic diagram of the arc-shaped piece and the film tearing member in the present invention;
[0038] Figure 7 is the structural schematic diagram of the limiting mechanism in the present invention.
[0039] In the figure: 1. Bench; 2. Hot pressing mechanism; 21. Hot pressing plate; 22. Flattening roller; 23. Mounting member; 24. Adjusting groove; 3. Limiting mechanism; 31. Limiting hole; 32. Limiting spring; 33. Limiting member; 4. Film tearing mechanism; 41. Film tearing member; 42. Shaft hole; 43. Coupling member; 44. Rotating sleeve; 45. Rotating shaft; 46. Adhesive layer; 47. Arc-shaped piece; 5. Linear module; 6. Lifting column; 7. Connecting frame; 8. Bearing plate; 9. Electric slide rail. Detailed Embodiments
[0040] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0041] The present invention provides a Figures 1-7 refractive and reflective textile process as shown below. The process steps are as follows:
[0042] Step 1: Weave a fabric by a loom in the warp and weft weaving method and use it as the base fabric layer.
[0043] Step 2: Coat a layer of acrylic pressure-sensitive adhesive on the prepared PET film, dry it in a drying channel, arrange the prepared glass microspheres in a single layer on the coated surface of the PET film, and then enter a vacuum aluminizing machine to coat an aluminum layer on the glass microsphere surface of the PET film as the refractive and reflective layer. By coating an aluminum layer on the glass microsphere surface through a vacuum aluminizing machine, the coated aluminum layer is smoother and flatter, effectively replacing the base fabric layer in the prior art as the refractive and reflective layer of the glass microspheres and enhancing the refractive and reflective effect of the finished product.
[0044] Step 3: Coat a layer of composite adhesive layer on the base fabric layer in Step 1, dry the composite adhesive layer in a drying channel, bond the adhesive surface with the aluminized surface of the high-brightness plant film through a hot pressing device, and peel off the PET film so that the glass microspheres are transferred to the base fabric layer, thus obtaining the refractive and reflective fabric.
[0045] Preferably, the base fabric layer further includes a flame retardant layer bonded on both sides by an adhesive. The setting of the flame retardant layer improves the flame retardant effect of the refractive and reflective finished fabric and enhances the safety of the textile fabric.
[0046] In this embodiment, the preparation process of the flame retardant layer is as follows:
[0047] Use viscose fiber at a mass percentage of 60 - 70% as the warp and 30 - 40% carbon fiber and 2 - 6% glass fiber as the weft, then interweave them to form a flame retardant base layer, and then brush the two sides of the flame retardant base layer with a water-based intumescent flame retardant resin coating and dry it in a drying channel to obtain the flame retardant layer. When the intumescent flame retardant resin is in the presence of a flame or high temperature, the flame retardant catalyzes the combustible material to expand, carbonize, and dehydrate, forming a uniform and dense sponge-like or foamy carbonaceous layer. The carbonaceous layer has good heat insulation performance, can hinder the conduction of heat and isolate air, block the direct heating effect of the external fire source on the base material, and reduce the oxygen concentration by absorbing a large amount of heat and releasing non-combustible gases such as water and ammonia when the coating components undergo physical and chemical changes, thus enhancing the flame retardant effect of the flame retardant base layer.
[0048] In this embodiment, the hot pressing device includes a bench 1, a hot pressing mechanism 2, a limiting mechanism 3 and a film tearing mechanism 4. The specific working method of using the above hot pressing device is as follows:
[0049] Step 1: Device operation inspection. Before enabling the hot pressing device, conduct an operation inspection on the hot pressing device;
[0050] Step 2: Bond the base cloth layer and the aluminized surface of the high-brightness plant film as a combined fabric. After positioning the edge of the combined fabric through the limiting mechanism 3, start the hot pressing mechanism 2 to perform hot pressing on the combined fabric from one side;
[0051] Step 3: The end of the PET film on the upper layer of the hot-pressed combined fabric is picked up by the subsequent film tearing mechanism 4 and gradually pulled up as the hot pressing mechanism 2 continues to move until the PET film is completely peeled off, and then the refractive reflective cloth can be obtained;
[0052] Step 4: After removing the hot-pressed refractive reflective cloth, operate the combined fabric in a cycle;
[0053] A linear module 5 is installed on the bench 1. A connecting frame 7 is installed on the linear module 5 through a lifting column 6. The connecting frame 7 is used to install the hot pressing structure; the lifting column 6 is one of electric, hydraulic or pneumatic;
[0054] The hot pressing mechanism 2 includes a hot pressing plate 21. The hot pressing plate 21 is detachably installed on the connecting frame 7. A flattening roller 22 is installed on the connecting frame 7. The flattening roller 22 is rotatably installed on the mounting parts 23 on both sides. The mounting parts 23 are symmetrically installed in the adjustment slots 24 opened on the connecting frame 7. The adjustment slots 24 are elastically connected to the mounting parts 23 through springs;
[0055] The limiting mechanism 3 includes a bearing plate 8. The bearing plate 8 is installed on the bench 1 through an electric slide rail 9 and can move along the upper surface of the bench 1 under the control of the electric slide rail 9. A plurality of limiting holes 31 are equidistantly opened at the four peripheral edges of the bearing plate 8. A limiting spring 32 is connected in the limiting holes 31. The top end of the limiting spring 32 is connected to a limiting member 33. By the elastic force of the limiting spring 32, the edge of the combined fabric to be processed is clamped between the limiting member 33 and the bearing plate 8;
[0056] The film tearing mechanism 4 is installed on the hot pressing plate 21.
[0057] During specific operation, place the combined fabric on the bearing plate 8, align the combined fabric as close to one side as possible, then pull out the limiting member 33 at the edge of the bearing plate 8. The edge of the combined fabric falls below the limiting member 33. Slowly release the limiting member 33. Under the pulling force of the limiting spring 32 connected at the bottom, the limiting member 33 will press the edge of the combined fabric tightly against the bearing plate 8, thereby limiting the combined fabric at multiple points and keeping the combined fabric stable during hot pressing. The pulling method is more convenient for the limiting operation of the combined fabric compared to other methods;
[0058] Start the electric slide rail 9. The electric slide rail 9 drives the bearing plate 8 to move linearly towards the hot pressing plate 21. When it moves to the working area below the hot pressing plate 21, the electric slide rail 9 stops working. Start the linear module 5. The linear module 5 drives the lifting column 6 and the hot pressing plate 21 to be located on one side of the combined fabric first. Subsequently, the lifting column 6 extends, so that the lower part of the hot pressing plate presses on the surface of the combined fabric. Then the linear module 5 drives the hot pressing plate 21 to slowly move from one side of the combined fabric to the other side to achieve hot pressing. During the operation of the hot pressing plate 21, the film tearing mechanism 4 will slowly tear off the PET film on the surface of the hot-pressed combined fabric. On the one hand, a complete refractive and reflective fabric can be obtained immediately after hot pressing. On the other hand, the process of manually peeling off the PET film in the subsequent process is omitted, saving the production process and improving the production efficiency;
[0059] When the hot pressing plate 21 contacts the combined fabric, the flattening roller 22 on one side will also contact the combined fabric. Under the supporting action of the combined fabric, the mounting member 23 will compress the spring to achieve elastic adaptation and maintain the pressure of the flattening roller 22 on the surface of the combined fabric for a long time. When the hot pressing plate 21 moves, the flattening roller 22 will pre-flatten the combined fabric, maintaining the flatness of the surface of the combined fabric when the hot pressing plate 21 works. The hot pressing effect of the combined fabric is better, and it is also convenient for the operation of the subsequent film tearing mechanism 4. With the cooperation of the film tearing mechanism 4, the hot pressing mechanism 2 and the flattening roller 22, a refractive and reflective fabric in a better state can be obtained.
[0060] In this embodiment, the film tearing mechanism 4 includes a plurality of film tearing members 41. The film tearing members 41 are arranged in an arc structure. One end of the film tearing member 41 is provided with a shaft hole 42, and the other end extends out of the edge of the hot pressing plate 21 and bends towards the side of the hot pressing plate 21. The end of the bent edge is sharp. The shaft hole 42 is sleeved on the connecting shaft member 43. Both ends of the connecting shaft member 43 are rotatably installed on the hot pressing plate 21 through torsion springs.
[0061] Specifically, under the action of the torsion spring, the coupling member 43 deflects towards the outside of the hot pressing plate 21, causing the bottom of the film tearing member 41 to face. Its bent end will form a gap with the edge of the hot pressing plate 21. During the process of the hot pressing plate 21 moving linearly and gradually hot pressing, the sharp end of the bent end just inserts into the lower surface of the end of the PET film, making the end of the PET film fall at the gap, forming the picking up of the end of the PET film, and gradually pulling up the upper PET film as the hot pressing plate 21 moves to one side until the entire PET film is completely lifted and peeled off. By utilizing the movement of the hot pressing plate 21, the action of peeling off the PET film is achieved synchronously, saving the process steps and accelerating the production efficiency; the shaft hole 42 at the end of the film tearing member 41 can be slidably displaced on the coupling member 43, so as to manually adjust the position of the film tearing member 41 and the overall film tearing width adjustment, and thus adapt to the film tearing work of different combinations of fabrics.
[0062] In this embodiment, a rotating sleeve 44 is fixed on the side of the bent portion of the film tearing member 41 away from the hot pressing plate 21. A rotating shaft 45 is rotatably connected inside the rotating sleeve 44. An adhesive layer 46 is provided on the outer side surface of the rotating shaft 45 located outside the rotating sleeve 44. If the gap between the PET film and the glass bead layer is too small and the film tearing member 41 fails to completely pick up and lift the PET film, the rotating shaft 45 and the adhesive layer 46 can be installed at the outer bending portion of the film tearing member 41. The adhesive layer 46 will come into contact with the PET film, and the rotationally installed rotating shaft 45 will form a rolling effect on the surface of the composite fabric, thereby increasing the contact area between the adhesive layer 46 and the surface of the PET film, making it easier to adhere and pull up the PET film, achieving the effect of supplementing the peeling and film tearing. The insertion action of the tip of the previous film tearing member 41 can promote the separation between the end of the PET film and the glass bead layer, and can also play a pre-peeling effect even if it is not successful. The dual cooperation between the two can effectively improve the success rate of automatic peeling of the PET film.
[0063] In this embodiment, multiple adjacent rotating shafts 45 are connected by a connecting portion and form an integral structure. By integrally connecting the multiple rotating shafts 45, the area of the overall adhesive layer 46 acting on the surface of the PET film can be further increased, and at the same time, the action of winding the end of the PET film is more consistent, which can further improve the success rate of peeling off the PET film.
[0064] In this embodiment, an arc-shaped piece 47 is further provided on the outer side of the film tearing member 41. One end of the arc-shaped piece 47 is fixedly connected to the top of the film tearing member 41, and the other end is a free end and semi-envelops the rotating shaft 45. In order to enhance the control of the end of the PET film with an adhesive layer 46 wound around the tape, the arc-shaped piece 47 is added in the present invention. Utilizing the bending property of the arc-shaped piece 47 itself, as the PET film wound around the tape gradually thickens, the outer diameter of the rotating shaft 45 gradually increases, which is greater than the original distance between the arc-shaped piece 47 and the rotating shaft 45. At this time, the PET film wound around the tape will forcibly squeeze the arc-shaped piece 47 outward to form a pressing effect on the PET film wound around the rotating shaft 45. On the one hand, it can prevent the PET film from detaching midway, resulting in incomplete film tearing; on the other hand, the resistance of the arc-shaped piece 47 will force the posture of the rotating shaft 45 rolling on the PET film to become sliding, thereby exposing the remaining PET film, which is convenient for the handling of the peeled PET film.
[0065] Working principle:
[0066] When the hot pressing device works specifically, first place the combined fabric on the bearing plate 8 and align the combined fabric as close to one side as possible. Then pull out the limiting member 33 at the edge of the bearing plate 8. The edge of the combined fabric falls below the limiting member 33. Slowly release the limiting member 33. Under the pulling force of the limiting spring 32 connected at the bottom, the limiting member 33 will press the edge of the combined fabric against the bearing plate 8, thereby limiting the combined fabric at multiple points and keeping the combined fabric stable during hot pressing. The pulling method is more convenient for the limiting operation of the combined fabric compared to other methods;
[0067] Start the electric slide rail 9. The electric slide rail 9 drives the bearing plate 8 to move linearly towards the hot pressing plate 21. When it moves to the working area below the hot pressing plate 21, the electric slide rail 9 stops working. Start the linear module 5. The linear module 5 drives the lifting column 6 and the hot pressing plate 21 to be first located on one side of the combined fabric. Subsequently, the lifting column 6 extends, so that the lower part of the hot pressing plate presses on the surface of the combined fabric. Then the linear module 5 drives the hot pressing plate 21 to slowly move from one side of the combined fabric to the other side to achieve hot pressing. During the process of the hot pressing plate 21 working, the film tearing mechanism 4 will slowly tear off the PET film on the surface of the hot-pressed combined fabric. On the one hand, a complete refractive and reflective fabric can be obtained immediately after hot pressing; on the other hand, the subsequent process of manually peeling the PET film is omitted, saving the production process and also improving the production efficiency;
[0068] When the hot pressing plate 21 contacts the combined fabric, the flattening roller 22 on one side will also contact the combined fabric. Under the support of the combined fabric, the mounting member 23 will compress the spring to achieve elastic adaptation, maintaining the pressure of the flattening roller 22 on the surface of the combined fabric for a certain time. When the hot pressing plate 21 moves, the flattening roller 22 will pre-flatten the combined fabric, maintaining the flatness of the surface of the combined fabric when the hot pressing plate 21 works, resulting in a better hot pressing effect on the combined fabric and also facilitating the operation of the subsequent film tearing mechanism 4. With the cooperation of the film tearing mechanism 4, the hot pressing mechanism 2, and the flattening roller 22, a refractive reflective fabric in a better state can be obtained.
[0069] Under the action of the torsion spring, the coupling member 43 deflects towards the outside of the hot pressing plate 21, causing the bottom of the film tearing member 41 to face. Its bent end will form a gap with the edge of the hot pressing plate 21. During the process when the hot pressing plate 21 moves linearly and gradually hot presses, the sharp end of the bent end just inserts into the lower surface of the end of the PET film, making the end of the PET film fall at the gap, forming the picking up of the end of the PET film, and gradually pulling up the upper PET film as the hot pressing plate 21 moves to one side until the entire PET film is lifted and peeled off. Utilizing the movement of the hot pressing plate 21, the action of peeling off the PET film is achieved synchronously, saving process steps and accelerating production efficiency; the shaft hole 42 at the end of the film tearing member 41 can cooperate with the coupling member 43 to slide and displace, thereby manually adjusting the position of the film tearing member 41 and the overall film tearing width adjustment, and further adapting to the film tearing work of combined fabrics in different ranges.
[0070] If the gap between the PET film and the glass bead layer is too small and the film tearing member 41 fails to completely pick up and lift the PET film, a rotating shaft 45 and an adhesive layer 46 can be installed at the outer bending part of the film tearing member 41. The adhesive layer 46 will contact the PET film. Rotating the installed rotating shaft 45 will form a rolling effect on the surface of the combined fabric, thereby increasing the contact area between the adhesive layer 46 and the surface of the PET film, making it easier to adhere and pull up the PET film, achieving the effect of supplementing the peeling and film tearing. The insertion action of the tip of the previous film tearing member 41 can promote the separation between the end of the PET film and the glass bead layer, and even if it is not successful, it can also play a pre-peeling effect. The dual cooperation between the two can effectively improve the success rate of automatic peeling of the PET film.
[0071] By integrally connecting multiple rotating shafts 45, the area of the overall adhesive layer 46 acting on the surface of the PET film can be further increased, and at the same time, the action of winding the end of the PET film is more consistent, which can further improve the success rate of peeling off the PET film.
[0072] To enhance the control of the end of the PET film of the adhesive layer 46 during winding, the present invention adds an arc-shaped piece 47. Utilizing the bending characteristic of the arc-shaped piece 47 itself, as the wound PET film gradually thickens, the outer diameter of the rotating shaft 45 gradually increases and becomes larger than the original distance between the arc-shaped piece 47 and the rotating shaft 45. At this time, the wound PET film will forcibly squeeze the arc-shaped piece 47 outward to form a pressing effect on the PET film wound on the rotating shaft 45. On the one hand, it can prevent the PET film from detaching midway, which may lead to incomplete film tearing. On the other hand, the resistance of the arc-shaped piece 47 will force the rolling posture of the rotating shaft 45 on the PET film to change to sliding, thereby exposing the remaining PET film outside, facilitating the picking and placing of the PET film after peeling.
[0073] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A refracting and reflecting textile process, characterized in that, The process steps are as follows: Step 1: Weave a fabric in the weaving manner of warp and weft by a textile machine and use it as the base fabric layer; Step 2: Coat a layer of acrylic pressure-sensitive adhesive on the prepared PET film, dry it in a drying channel, arrange the prepared glass microspheres in a single layer on the coated surface of the PET film, and enter a vacuum aluminizing machine to coat an aluminum layer on the glass microsphere surface of the PET film as the refractive and reflective layer; Step 3: Coat a composite adhesive layer on the base fabric layer in Step 1, dry the composite adhesive layer in a drying channel, bond the adhesive surface with the aluminized surface of the high-brightness plant film through a hot pressing device, and peel off the PET film, so that the glass microspheres are transferred to the base fabric layer, thus obtaining the refractive and reflective fabric; The hot pressing device includes a bench (1), a hot pressing mechanism (2), a limiting mechanism (3), and a film tearing mechanism (4). The specific method of using the above hot pressing device is as follows: Step 1: Device operation inspection. Before enabling the hot pressing device, conduct an operation inspection on the hot pressing device; Step 2: Bond the base fabric layer with the aluminized surface of the high-brightness plant film as the combined fabric. After positioning the edge of the combined fabric through the limiting mechanism (3), start the hot pressing mechanism (2) to hot press the combined fabric from one side; Step 3: The end of the PET film on the upper layer of the hot-pressed combined fabric is picked up by the subsequent film tearing mechanism (4) encountered, and is gradually pulled up as the hot pressing mechanism (2) continues to move until the PET film is completely peeled off, and then the refractive and reflective fabric can be obtained; Step 4: After removing the hot-pressed refractive and reflective fabric, operate the combined fabric in a cycle; A linear module (5) is installed on the bench (1), and a connecting frame (7) is installed on the linear module (5) through a lifting column (6). The connecting frame (7) is used to install the hot pressing structure; The hot pressing mechanism (2) includes a hot pressing plate (21). The hot pressing plate (21) is detachably installed on the connecting frame (7). A flattening roller (22) is installed on the connecting frame (7). The flattening roller (22) is rotatably installed on the installation parts (23) on both sides. The installation parts (23) are symmetrically installed in the adjustment slots (24) opened on the connecting frame (7). The adjustment slots (24) are elastically connected to the installation parts (23) through springs; The limiting mechanism (3) includes a bearing plate (8). The bearing plate (8) is installed on the bench (1) through an electric slide rail (9) and can move along the upper surface of the bench (1) under the control of the electric slide rail (9). A plurality of limiting holes (31) are equidistantly opened at the four peripheral edges of the bearing plate (8). A limiting spring (32) is connected in the limiting holes (31). The top end of the limiting spring (32) is connected to a limiting member (33). By the elastic force of the limiting spring (32), the edge of the combined fabric to be processed is clamped between the limiting member (33) and the bearing plate (8); the film tearing mechanism (4) is installed on the hot pressing plate (21); The film tearing mechanism (4) comprises a plurality of film tearing members (41), wherein the film tearing members (41) are arranged in an arc-shaped structure, and one end of the film tearing member (41) is provided with an axial hole (42), and the other end extends out of the edge of the hot pressing plate (21) and is bent toward one side of the hot pressing plate (21), and the end of the bent edge is provided with a sharp point, and the axial hole (42) is sleeved on a connecting member (43), and the two ends of the connecting member (43) are rotatably mounted on the hot pressing plate (21) via a torsion spring; A rotating sleeve (44) is fixed on the side of the bending part of the film tearing piece (41) facing away from the hot pressing plate (21), and a rotating shaft (45) is rotatably connected inside the rotating sleeve (44). The rotating shaft (45) is provided with an adhesive layer (46) on the outer surface of the rotating sleeve (44); a plurality of adjacent rotating shafts (45) are connected by a connecting portion to form an integral structure; a layer of arc-shaped sheet (47) is also provided on the outer side of the film tearing piece (41), one end of the arc-shaped sheet (47) is fixedly connected to the top of the film tearing piece (41), and the other end is a free end and half covers the rotating shaft (45).
2. The refracting and reflecting textile process according to claim 1, characterized in that: The base fabric layer also includes flame retardant layers bonded on both sides by adhesive.
3. The refracting and reflecting textile process according to claim 2, characterized in that: The preparation process of the flame retardant layer is as follows: 60-70% of the viscose fiber is used as the warp, 30-40% of the carbon fiber and 2-6% of the glass fiber is used as the weft, and then they are interlaced to form a flame retardant base layer. The water-based expandable flame retardant resin coating is then applied to both sides of the flame retardant base layer, and then placed in a drying channel for drying to obtain a flame retardant layer.
Citation Information
Patent Citations
Method for preparing high-brightness reflective fabric
CN104275908A
Film stripping device
CN104608463A
Tear-resistant geotextile material and preparation method thereof
CN111331939A
Multi-station textile fabric printing, dyeing and processing device
CN112192949A
Laser cutting machine tool for assisting precise cutting and using method of laser cutting machine tool
CN114888456A